Electroluminescent Light Sources TRIZ Cases

A tunable voltage regulator adjusts bus voltage via a trimming signal to maintain constant current in LED loads.

A structured layer with alternating wavelength conversion and filter regions manages electromagnetic radiation spectra.

A transparent plate covers the protection coating end on a bent area, preventing liquid resin flow and ensuring precise thickness.

A vertical channel MOSFET integrates with a GaN LED on silicon.

Opposite phase ripple current cancellation reduces output noise, eliminating large electrolytic capacitors in LED drivers.

Chrysene derivative host materials combine with electroactive dopants to enable efficient red and green light emission in organic electronic devices.

A portable solar power management system routes electrical currents from photovoltaic panels to energy storage devices via a programmable controller.

A horticulture lighting device uses a wavelength converting member to transform direct red light into far-red emission for plant growth stimulation.

Patterned heat sink plate prevents light mixing between sub-pixels while thermal conduction protects quantum dots from overheating during color conversion.

Segmenting the phosphor layer into discrete green, yellow, and red components overcomes quantum deficits in standard blue LED devices.

A microprocessor-controlled MOSFET circuit detects improper battery polarity to block reverse current flow.

Adjusts error amplifier reference voltage to a higher level during startup for faster switching regulator initialization.

A lighting apparatus uses a photo-coupler to transmit modulation signals to an LED luminaire body for visible light communication.

Ionic conductor layers replace rigid electronic conductors in stretchable electroluminescent devices, sustaining conductivity at strains up to 700 percent.

A non-inversion amplification unit adjusts supply voltage using forward voltage detection to maintain constant LED luminance.

Glass frit spacer structure supports light emitting device cutting process without damaging sealant regions.

A semi-transparent film layer with a higher refractive index than the passivation film increases display contrast.

A thin organic light emitting diode structure incorporates a non-transmissive layer to shield components from ultraviolet radiation during manufacturing.

A portable electronic device configures personalized light flickering data through a user interface to drive light emitting elements with adjustable modes.

Integrating a photosensitive structure on the array substrate eliminates external sensors, reducing costs while maintaining auto-brightness functionality.

A stacked organic electroluminescent element uses red and green light emitting units to produce yellow or orange light with controlled peak wavelengths.

Transfer plate moves organic light emitting patterns onto substrates via pressure gradients to resolve alignment errors in large-area displays.

A primary-side state estimator circuit infers output current using a capacitor and sense resistor to enable closed-loop control.

NTC thermistor positioned on a substrate region detects LED temperature and adjusts driving current to maintain stable light output.

Nested OLED members create depth perception for automotive tail lamps while preventing mechanical friction between components.

A segmented charge generation layer with distinct electron and hole transport sub-layers enhances light emission efficiency in organic devices.

Rough auxiliary electrode reduces sheet resistance and voltage drops for uniform OLED brightness.

A fluoride fluorescent material with a core-shell structure maintains red light emission intensity through manganese ion reduction.

Modifying the chemical structure of pyrromethene compounds resolves the trade-off between luminance efficiency and color purity for red light emission.

Periodic cycling of the auxiliary power supply prevents thermal damage during faults while maintaining system reliability.

A printed circuit board tab inserts into a thermally conductive substrate recess to embed a temperature sensor proximate to the LED light source.

A platinum complex with a rigid tetradentate ligand stabilizes the molecular structure to enable high-efficiency blue light emission.

Nanofibers prevent coffee ring drying unevenness in quantum dot light-emitting layers.

Segmenting the organic EL display panel allows light emission from areas above insulating films, increasing luminance without adding structural complexity.

Rear-side laser ablation removes defective second electrode layers without reflection from conductor networks.

Isoimidazole ligands break conjugation to suppress triplet-triplet annihilation, maintaining emission intensity at high doping concentrations.

Substituted indenofluorene polymers prevent triplet quenching while enabling solution processing for cost-effective OLED production.

A laminated organic electroluminescence structure integrates a charge generation layer that provides low resistance in normal regions and high resistance in defect areas.

Segmented laser irradiation prevents fracture defects from thermal stress while sealing organic light emitting displays against moisture.

A four-state driver uses independent discharge to lower total harmonic distortion.

Delayed gate signals minimize LED current overshoot in projection systems.

A Metal-Intrinsic-P-type photo diode structure enables ambient light sensing in display devices.

A semiconductor light-emitting device featuring an inclined side surface on the second conductive layer covered by a second electrode.

A system controller manages LED string current by opening a series switch when temperature rises.

Apertures in flexible display substrates vent gas generated by high-energy light etching, preventing substrate deformation and stabilizing bonding pad pitch.

Cooling the substrate below the dew point creates a curved surface that covers particles, preventing malfunctions without increasing deposition time.

A flyback power converter uses a soft-start module to charge a capacitor and control voltage during startup.

A maskless manufacturing method for organic light emitting display panels that forms protective insulating films without alignment defects.